import { openWindow } from '..';
import { dataURLtoBlob, urlToBase64 } from './base64Conver';
/**
 * Download online pictures
 * @param url
 * @param filename
 * @param mime
 * @param bom
 */
export function downloadByOnlineUrl(url, filename, mime, bom) {
    urlToBase64(url).then((base64) => {
        downloadByBase64(base64, filename, mime, bom);
    });
}
/**
 * Download pictures based on base64
 * @param buf
 * @param filename
 * @param mime
 * @param bom
 */
export function downloadByBase64(buf, filename, mime, bom) {
    const base64Buf = dataURLtoBlob(buf);
    downloadByData(base64Buf, filename, mime, bom);
}
/**
 * Download according to the background interface file stream
 * @param {*} data
 * @param {*} filename
 * @param {*} mime
 * @param {*} bom
 */
export function downloadByData(data, filename, mime, bom) {
    const blobData = typeof bom !== 'undefined' ? [bom, data] : [data];
    const blob = new Blob(blobData, { type: mime || 'application/octet-stream' });
    if (typeof window.navigator.msSaveBlob !== 'undefined') {
        window.navigator.msSaveBlob(blob, filename);
    }
    else {
        const blobURL = window.URL.createObjectURL(blob);
        const tempLink = document.createElement('a');
        tempLink.style.display = 'none';
        tempLink.href = blobURL;
        tempLink.setAttribute('download', filename);
        if (typeof tempLink.download === 'undefined') {
            tempLink.setAttribute('target', '_blank');
        }
        document.body.appendChild(tempLink);
        tempLink.click();
        document.body.removeChild(tempLink);
        window.URL.revokeObjectURL(blobURL);
    }
}
/**
 * Download file according to file address
 * @param {*} sUrl
 */
export function downloadByUrl({ url, target = '_blank', fileName }) {
    const isChrome = window.navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
    const isSafari = window.navigator.userAgent.toLowerCase().indexOf('safari') > -1;
    if (/(iP)/g.test(window.navigator.userAgent)) {
        console.error('Your browser does not support download!');
        return false;
    }
    if (isChrome || isSafari) {
        const link = document.createElement('a');
        link.href = url;
        link.target = target;
        if (link.download !== undefined) {
            link.download = fileName || url.substring(url.lastIndexOf('/') + 1, url.length);
        }
        if (document.createEvent) {
            const e = document.createEvent('MouseEvents');
            e.initEvent('click', true, true);
            link.dispatchEvent(e);
            return true;
        }
    }
    if (url.indexOf('?') === -1) {
        url += '?download';
    }
    openWindow(url, { target });
    return true;
}
